Answer:
Step-by-step explanation:
We have the product of 2 complex numbers
We know that:
Then we substitute these values in the expression
The product of a complex number by its conjugate is always equal to:
Then
Remember that:
So
Finally
Answer:
1.)
y = 2x + 5 for x = 1
y = 2(1) + 5
y = 2 + 5
y = 7
2.) The function rule that relates the total cost of the party to the number of children n.
TCP = $60 + $4(n)
The answer is D.<span>Subtract 9 from both sides, because 9 is positive, so you need to subtract.</span>
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